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DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API
Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL NORTE DE Award a ₱1.5M contract to PMMGS CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
4fe0602cd272ca77c8231d69b7631a91da28b4ec77bed38f97acd89271451927
Status:
Included and unchanged
Block:
#4,876 1,137 blocks after it
Position in block:
Transaction 48 of 148
Award day:
Aug 3, 2022 (4 yrs 3 mo ago)
From:
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL NORTE DE
To:
PMMGS CONSTRUCTION CORPORATION
Value:
₱1,459,944.86
Project:
21LC0193 Completion/Rehabilitation of Water System
Full record:
Open the award page

Accountability

Bill Sec. 3 and 19
Responsible agency:
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL NORTE DE
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #4,876 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5
  1. 1. Appropriation
    GAA line item · Sec. 5(b)
    DPWH lists the funding source as "Regular Infra - GAA 2021 LP", i.e. the FY2021 GAA. The exact UACS line is not given.
    Partly
    Open
  2. 2. Allotment release
    SARO / allotment · Sec. 5(c)(iii)
    Not published per project. DBM releases SAROs, but not linked to individual contracts.
    Not published
  3. 3. Cash allocation
    Notice of Cash Allocation · Sec. 5(c)(iv)
    Not published per project.
    Not published
  4. 4. Contract award
    Notice of Award (PhilGEPS) · Sec. 5(d)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL NORTE DE awarded it to PMMGS CONSTRUCTION CORPORATION on 2022-08-03.
    Found
    Open
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21LC0193: Completed, 100% physical progress.
    Found
    Open
  6. 6. Payment
    Disbursement voucher · Sec. 5(c)(viii)
    Not published. No public source shows how much of this contract has been paid.
    Not published
  7. 7. Completion
    Certificate of completion · Sec. 5(d)
    DPWH marks the contract "Completed" (end 2022-11-08). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

  1. 1. Record fingerprint changed
    stored   4fe0602cd2…451927now      …
  2. 2. Block Merkle root changed
    stored   79ddcfc04a…9dc373now      …
  3. 3. Block #4876 hash changed
    stored   33e269ced5…42522bnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 147 records. Each step hashes the current value together with the sibling shown.

  1. leaf  4fe0602cd272ca77c8231d69b7631a91da28b4ec77bed38f97acd89271451927
  2. 01 R 54dee93d14f2a94fb6a5555cf440f40d525d06b17680ff93509dd7112bb6e5ed
  3. 02 R 9203f5f0a2fdafaac4f75c0ad4257027076de4e39f0219bd4963146ab2b03561
  4. 03 R f1bd39e923ca98714632893789a277e2ee99f98943ee24335185701a24358c2a
  5. 04 R 13f8e50ab12a67a438976de256f0394344892062d9d8a4d2fa2c3d1b1990b73f
  6. 05 L 620115bacc26078402a1e7224fd611567958618f342f862ec4901d4fbe850962
  7. 06 L 93a74cd300a83d5b33670df6124729133b78b770138439836b799bb377c69ac7
  8. 07 R f096191b20a34d0a93654ae1d0d0e8de569cfbaf334402bec4bb8a53dfef1b45
  9. 08 R e0cf90c822d0cea847da5f98e5feda4bce5d669dfc41b97a77df30ab0c132af6
  10. root  79ddcfc04a8ad0df6e438b4424c417e37ebce7f4354a4829920e5b56ed9dc373